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EC number: 500-012-0 | CAS number: 9004-77-7
- Life Cycle description
- Uses advised against
- Endpoint summary
- Appearance / physical state / colour
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- Endpoint summary
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- Environmental data
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- Ecotoxicological Summary
- Aquatic toxicity
- Endpoint summary
- Short-term toxicity to fish
- Long-term toxicity to fish
- Short-term toxicity to aquatic invertebrates
- Long-term toxicity to aquatic invertebrates
- Toxicity to aquatic algae and cyanobacteria
- Toxicity to aquatic plants other than algae
- Toxicity to microorganisms
- Endocrine disrupter testing in aquatic vertebrates – in vivo
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- Toxicological Summary
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- Genetic toxicity
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- Additional toxicological data

Short-term toxicity to aquatic invertebrates
Administrative data
Link to relevant study record(s)
Description of key information
Daphnia magna (freshwater): 48hr EC50/LC50 values: >3200mg/l. NOEC=1800mg/l
A. tonta (saltwater) 48hr EC50=310mg/l. C Cragnon (saltwater) EC50 (96hr)>1000mg/l
Key value for chemical safety assessment
Fresh water invertebrates
Fresh water invertebrates
- Effect concentration:
- 3 200 mg/L
Marine water invertebrates
Marine water invertebrates
- Effect concentration:
- 310 mg/L
Additional information
In a guideline (OECD 202) and GLP study, the 48 -hour EC50 for Solvent 14, a substance that falls under the description "ethanol, 2-butoxy-, manufacture of, by-products from", in Daphnia magna was determined to be >3200 mg/L. The NOEC was 1800mg/l.
In a guideline (ParCom) study, the 48 -hour LC50 of DCP 208, a substance that falls under the description "Poly(oxy-1,2,-ethanediyl), α-butyl, ω-hydroxyl", in the marine copepod Acardia tonsa was determined to be 310 mg/. In a GLP 96 -hour limit test in brown shrimp (Crangon crangon), exposure to 1000 mg/L of the same substance did not result in significant mortalities or marked reactions. The former study is used to derive the marine EC50.
None of these studies indicate that this substance or those similar to it warrant labelling as dangerous to the environment according to EU regulations on classification and labelling of substances.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.

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